Method for generating corn ear panoramic image by using image sequence

An image sequence generation, corn ear technology, applied in image data processing, 3D modeling, instruments, etc., can solve the problems of inconvenient observation, large information redundancy, and high storage cost, achieve intuitive morphological observation, and reduce information storage space. , the effect of reducing redundancy

Inactive Publication Date: 2010-10-06
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of large information redundancy, high storage cost, and inconvenient observation in the meth

Method used

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  • Method for generating corn ear panoramic image by using image sequence
  • Method for generating corn ear panoramic image by using image sequence
  • Method for generating corn ear panoramic image by using image sequence

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[0039] The method for generating a panoramic view of a corn ear according to an image sequence proposed by the present invention is described as follows with reference to the drawings and embodiments.

[0040] figure 1 Is a flowchart of the method according to the present invention, such as figure 1 As shown, the present invention mainly includes the following steps:

[0041] S1: Take a picture of the rotation of the ear; obtain an image sequence of the ear of corn by continuously shooting at a predetermined angle along the outer peripheral surface of the corn, wherein every two adjacent images have overlapping areas;

[0042] S2: Image preprocessing; extract the ear target image sequence in the image sequence by background difference method, and perform gray-scale processing on it to obtain the ear target gray-scale image sequence;

[0043] S3: matching point detection; extracting feature points in the overlapping area of ​​the first and second frames of the image sequence; matching t...

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Abstract

The invention provides a method for generating a corn ear panoramic image by using an image sequence, comprising the following steps: using a position-fixed digital camera to shoot the image sequence of a corn ear at a certain angel interval; extracting an image characteristic point, calculating motion parameters of adjacent two frame images in the image sequence according to the matched characteristic point, and registering the motion parameters to one coordinate system to compose a new image; searching a suture line in the new image, cutting the adjacent two frame images according to the position of the suture line and eliminating the pixel exposure difference at the two sides of the suture line by Gaussian template filtration; stretching the image at the horizontal and vertical directions to counteract perspective projection deformation; and sequentially performing the above operations on the image sequence to synthesize the corn ear panoramic image. The method of the invention can display the seamless splicing overall perspective of the image sequence of the corn ear on one new image, thus greatly reducing the redundancy of picture information, reducing information storage space and enabling the morphologic observation to be more visual.

Description

technical field [0001] The invention relates to the technical field of computer graphics, in particular to a method for generating a corn ear panorama by splicing image sequences. Background technique [0002] The outer shape of corn ears is an important index for reference in testing and breeding of new varieties. One of the best ways to record the appearance characteristics is to take images. Due to the cylindrical shape of the corn ear, one image often cannot record all the information, and only by taking multiple images around the ear can the entire surface be covered. In order to obtain the ideal observation effect, one ear usually needs 5-10 image records. There must be overlapping parts between multiple ear images, and these overlapping parts are difficult to distinguish with the naked eye, which will cause information redundancy and inconvenience for observation. [0003] Panoramic photography (panoramic photography) technology can be used to generate panoramas. Th...

Claims

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Application Information

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IPC IPC(8): G06T17/00
Inventor 赵春江王传宇郭新宇温维亮苗腾
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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